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have free variable utility use a class for more efficient re-use

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2014-09-15 16:14:22 -07:00
parent 73070585b8
commit c09903288f
39 changed files with 300 additions and 303 deletions
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13
src/ast/rewriter/ast_counter.h
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@ -27,16 +27,16 @@ Revision History:
#include "ast.h"
#include "map.h"
#include "uint_set.h"
#include "var_subst.h"
class counter {
protected:
typedef u_map<int> map_impl;
map_impl m_data;
const bool m_stay_non_negative;
public:
typedef map_impl::iterator iterator;
counter(bool stay_non_negative = true) : m_stay_non_negative(stay_non_negative) {}
counter() {}
void reset() { m_data.reset(); }
iterator begin() const { return m_data.begin(); }
@ -69,14 +69,13 @@ public:
class var_counter : public counter {
protected:
ptr_vector<sort> m_sorts;
expr_fast_mark1 m_visited;
expr_free_vars m_fv;
ptr_vector<expr> m_todo;
ast_mark m_mark;
unsigned_vector m_scopes;
unsigned get_max_var(bool & has_var);
public:
var_counter(bool stay_non_negative = true): counter(stay_non_negative) {}
var_counter() {}
void count_vars(ast_manager & m, const app * t, int coef = 1);
unsigned get_max_var(expr* e);
unsigned get_next_var(expr* e);
@ -85,11 +84,10 @@ public:
class ast_counter {
typedef obj_map<ast, int> map_impl;
map_impl m_data;
bool m_stay_non_negative;
public:
typedef map_impl::iterator iterator;
ast_counter(bool stay_non_negative = true) : m_stay_non_negative(stay_non_negative) {}
ast_counter() {}
iterator begin() const { return m_data.begin(); }
iterator end() const { return m_data.end(); }
@ -99,7 +97,6 @@ class ast_counter {
}
void update(ast * el, int delta){
get(el) += delta;
SASSERT(!m_stay_non_negative || get(el) >= 0);
}
void inc(ast * el) { update(el, 1); }